3472661 has 4 divisors (see below), whose sum is σ = 3482112. Its totient is φ = 3463212.

The previous prime is 3472657. The next prime is 3472673. The reversal of 3472661 is 1662743.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1662743 = 37 ⋅44939.

It is a cyclic number.

It is not a de Polignac number, because 3472661 - 2² = 3472657 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3472061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4151 + ... + 4916.

It is an arithmetic number, because the mean of its divisors is an integer number (870528).

Almost surely, 2^3472661 is an apocalyptic number.

It is an amenable number.

3472661 is a deficient number, since it is larger than the sum of its proper divisors (9451).

3472661 is an equidigital number, since it uses as much as digits as its factorization.

3472661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9450.

The product of its digits is 6048, while the sum is 29.

The square root of 3472661 is about 1863.5077139631. The cubic root of 3472661 is about 151.4330942978.

The spelling of 3472661 in words is "three million, four hundred seventy-two thousand, six hundred sixty-one".